diff options
author | Michael Niedermayer <michael@niedermayer.cc> | 2021-06-03 22:46:05 +0200 |
---|---|---|
committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-17 21:34:53 +0200 |
commit | 291ebdfc723794d3971a95da769c4944db917b45 (patch) | |
tree | 4166e1d05de7c26d123bfcf8cc3e4421894ad853 | |
parent | c9abe2d4117330a683e2d1f650b53828c0202b19 (diff) | |
download | ffmpeg-291ebdfc723794d3971a95da769c4944db917b45.tar.gz |
avformat/rpl: Check for EOF and zero framesize
Fixes: Infinite loop
Fixes: 34751/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5439330800762880
Fixes: 34774/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5851571660390400
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a0a4a527c3b0819368d9b148542bb7663f39df79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavformat/rpl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/rpl.c b/libavformat/rpl.c index b5c3f0fa81..efcb821f0c 100644 --- a/libavformat/rpl.c +++ b/libavformat/rpl.c @@ -307,7 +307,7 @@ static int rpl_read_packet(AVFormatContext *s, AVPacket *pkt) avio_skip(pb, 4); /* flags */ frame_size = avio_rl32(pb); - if (avio_seek(pb, -8, SEEK_CUR) < 0) + if (avio_feof(pb) || avio_seek(pb, -8, SEEK_CUR) < 0 || !frame_size) return AVERROR(EIO); ret = av_get_packet(pb, pkt, frame_size); |